import router from './router'
import store from './store'
import {Message} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {getToken} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import {getQueryVariable} from "@/utils";

NProgress.configure({showSpinner: false}) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

let redirect='/';

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login' || to.path === '/callback') {
      // if is logged in, redirect to the home page
      next({path: '/'})
      NProgress.done()
    } else {
      const hasGetUserInfo = store.getters.name
      if (hasGetUserInfo) {
        next()
      } else {
        try {
          // get user info
          await store.dispatch('user/getInfo')

          next()
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/
    console.log("no tokean",to.path)
    if (to.path === '/callback') {
      console.log("no tokean",to.path)
      //如果地址中包含code(微信扫码后返回用于换取用户信息的临时票据)，则拦截并执行登录逻辑
      if (window.location.href.indexOf('code') >= 0) {

        const code = getQueryVariable('code')
        const state = getQueryVariable('state')
        redirect = getQueryVariable('redirect')

        console.log("no code",code)

        console.log("no state",state)
        if (code != null && "" != code && code != undefined) {
          console.log("开始执行微信登录")
          //向后台登录接口发送数据
          store.dispatch('user/wxLogin', {"code": code,"state":state}).then(() => {
            next({path: '/'})
          }).catch(() => {
          })
        }
      }
    }
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
